text: /*-
   * Copyright (c) 1997, Stefan Esser <se@FreeBSD.ORG>
   * Copyright (c) 1997, 1998, 1999, Kenneth D. Merry <ken@FreeBSD.ORG>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice unmodified, this list of conditions, and the following
   *    disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   *	$FreeBSD: src/sys/sys/pciio.h,v 1.9.2.1.6.1 2010/12/21 17:09:25 kensmith Exp $
   *
   */
  
  #ifndef _SYS_PCIIO_H_
  #define	_SYS_PCIIO_H_
  
  #include <sys/ioccom.h>
  
  #define PCI_MAXNAMELEN	16
  
  typedef enum {
  	PCI_GETCONF_LAST_DEVICE,
  	PCI_GETCONF_LIST_CHANGED,
  	PCI_GETCONF_MORE_DEVS,
  	PCI_GETCONF_ERROR
  } pci_getconf_status;
  
  typedef enum {
  	PCI_GETCONF_NO_MATCH		= 0x0000,
  	PCI_GETCONF_MATCH_DOMAIN	= 0x0001,
  	PCI_GETCONF_MATCH_BUS		= 0x0002,
  	PCI_GETCONF_MATCH_DEV		= 0x0004,
  	PCI_GETCONF_MATCH_FUNC		= 0x0008,
  	PCI_GETCONF_MATCH_NAME		= 0x0010,
  	PCI_GETCONF_MATCH_UNIT		= 0x0020,
  	PCI_GETCONF_MATCH_VENDOR	= 0x0040,
  	PCI_GETCONF_MATCH_DEVICE	= 0x0080,
  	PCI_GETCONF_MATCH_CLASS		= 0x0100
  } pci_getconf_flags;
  
  struct pcisel {
  	u_int32_t	pc_domain;	/* domain number */
  	u_int8_t	pc_bus;		/* bus number */
  	u_int8_t	pc_dev;		/* device on this bus */
  	u_int8_t	pc_func;	/* function on this device */
  };
  
  struct pci_conf {
  	struct pcisel	pc_sel;		/* domain+bus+slot+function */
  	u_int8_t	pc_hdr;		/* PCI header type */
  	u_int16_t	pc_subvendor;	/* card vendor ID */
  	u_int16_t	pc_subdevice;	/* card device ID, assigned by 
  					   card vendor */
  	u_int16_t	pc_vendor;	/* chip vendor ID */
  	u_int16_t	pc_device;	/* chip device ID, assigned by 
  					   chip vendor */
  	u_int8_t	pc_class;	/* chip PCI class */
  	u_int8_t	pc_subclass;	/* chip PCI subclass */
  	u_int8_t	pc_progif;	/* chip PCI programming interface */
  	u_int8_t	pc_revid;	/* chip revision ID */
  	char		pd_name[PCI_MAXNAMELEN + 1];  /* device name */
  	u_long		pd_unit;	/* device unit number */
  };
  
  struct pci_match_conf {
  	struct pcisel		pc_sel;		/* domain+bus+slot+function */
  	char			pd_name[PCI_MAXNAMELEN + 1];  /* device name */
  	u_long			pd_unit;	/* Unit number */
  	u_int16_t		pc_vendor;	/* PCI Vendor ID */
  	u_int16_t		pc_device;	/* PCI Device ID */
  	u_int8_t		pc_class;	/* PCI class */
  	pci_getconf_flags	flags;		/* Matching expression */
  };
  
  struct pci_conf_io {
  	u_int32_t		pat_buf_len;	/* pattern buffer length */
  	u_int32_t		num_patterns;	/* number of patterns */
  	struct pci_match_conf	*patterns;	/* pattern buffer */
  	u_int32_t		match_buf_len;	/* match buffer length */
  	u_int32_t		num_matches;	/* number of matches returned */
  	struct pci_conf		*matches;	/* match buffer */
  	u_int32_t		offset;		/* offset into device list */
  	u_int32_t		generation;	/* device list generation */
  	pci_getconf_status	status;		/* request status */
  };
  
  struct pci_io {
  	struct pcisel	pi_sel;		/* device to operate on */
  	int		pi_reg;		/* configuration register to examine */
  	int		pi_width;	/* width (in bytes) of read or write */
  	u_int32_t	pi_data;	/* data to write or result of read */
  };
  
  struct pci_bar_io {
  	struct pcisel	pbi_sel;	/* device to operate on */
  	int		pbi_reg;	/* starting address of BAR */
  	int		pbi_enabled;	/* decoding enabled */
  	uint64_t	pbi_base;	/* current value of BAR */
  	uint64_t	pbi_length;	/* length of BAR */
  };
  
  #define	PCIOCGETCONF	_IOWR('p', 5, struct pci_conf_io)
  #define	PCIOCREAD	_IOWR('p', 2, struct pci_io)
  #define	PCIOCWRITE	_IOWR('p', 3, struct pci_io)
  #define	PCIOCATTACHED	_IOWR('p', 4, struct pci_io)
  #define	PCIOCGETBAR	_IOWR('p', 6, struct pci_bar_io)
  
  #endif /* !_SYS_PCIIO_H_ */
  